PHP

Ever wondered how most professionally done projects have nice license block at the top of every source file?

This block is more important than you think. I provides a lot of useful information about the file, where it came from, when, why, and who... This information is very useful and will help you and other developers to understand reasoning behind the file's existence. It would be very annoying to copy and paste license block into every file and modify timestamps for @id property every time you edit the file. This block is generated automatically by an IDE such as NetBeans, here is how it is done...